Contents:– Air Pollution and its Impact on Biota; Impact of Air Pollution and Plant Growth; Air Pollution Tolerance Index (A.P.T.I.) of Plant Species under Road Side Pollution Stress; Ambient Air Quality Monitoring of Haridwar City with Special Reference to Automobile Pollution; Automobile Exhaust Pollution and Plant Behaviour; Fugitive Dust Control in Cement Industries; Effect of Automobile Induce Air Pollution on Floristic Diversity; Change of Physiological Behaviour of Plant Species under Road Side Pollution Stress; Importance of Environmental Ethics